package com.itheima.web;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;

public class BaseServlet extends HttpServlet {
    @Override
    protected void service(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException{
        String uri=req.getRequestURI();
        int index=uri.lastIndexOf('/');
        String methodName=uri.substring(index+1);
        Class<? extends BaseServlet> cls=this.getClass();
        try {
            Method method=cls.getMethod(methodName,HttpServletRequest.class,HttpServletResponse.class);
            method.invoke(this,req,resp);
        }catch (NoSuchMethodException e){
            e.printStackTrace();
        }catch (IllegalAccessException e){
            e.printStackTrace();
        }catch(InvocationTargetException e){
            e.printStackTrace();
        }
    }
}
